WO2023015694A1 - Appareil de verrouillage et dispositif de levage/abaissement - Google Patents

Appareil de verrouillage et dispositif de levage/abaissement Download PDF

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Publication number
WO2023015694A1
WO2023015694A1 PCT/CN2021/121693 CN2021121693W WO2023015694A1 WO 2023015694 A1 WO2023015694 A1 WO 2023015694A1 CN 2021121693 W CN2021121693 W CN 2021121693W WO 2023015694 A1 WO2023015694 A1 WO 2023015694A1
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WO
WIPO (PCT)
Prior art keywords
locking
lock
locking device
elastic element
lock body
Prior art date
Application number
PCT/CN2021/121693
Other languages
English (en)
Chinese (zh)
Inventor
张庆伟
张国柱
Original Assignee
中际联合（北京）科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中际联合（北京）科技股份有限公司 filed Critical 中际联合（北京）科技股份有限公司
Publication of WO2023015694A1 publication Critical patent/WO2023015694A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

Definitions

  • the present application relates to the technical field of climbing devices, in particular to a locking device and lifting equipment.
  • Lifting equipment is a low-speed light-duty lifting machine that uses a motor to drive a lifting platform to run up and down a track installed on a building or equipment ladder to transport personnel and materials at high altitudes.
  • This application provides a locking device and a lifting device, which are used to solve the technical defects of inconvenient use of the locking structure in the prior art, and time-consuming and labor-intensive operation in critical situations, so as to realize the locking device that is easy to operate and only needs to be pressed for locking. The effect is obvious when used in critical situations.
  • the first aspect of the present application provides a locking device, including: a body, a locking member and an unlocking member;
  • the body is located on the lifting device, and the locking member and the unlocking member are respectively installed on the body;
  • the locking member is used to lock the lifting device on the guide rail by pressing
  • the unlocking member is used to convert the lifting device from a locked state to an unlocked state.
  • the body includes a seat body, a lock body and an elastic element
  • a sliding cavity is opened in the seat, the lock body is arranged in the sliding cavity through the elastic element, and the lock body can move in the sliding cavity.
  • an opening is provided at one end of the seat body, and the lock body and the elastic element extend into the sliding cavity through the opening;
  • a first lock groove is opened on the base body, and the locking member is partially disposed in the first lock groove.
  • the lock body includes an unlocking portion and a locking portion, and a second locking groove is opened on the locking portion;
  • the locking member includes a pressing member, a connecting rod, a lock tongue and a support;
  • the lock tongue and the connecting rod are respectively connected to the support, the pressing member is movably connected with one end of the connecting rod, and the other end of the connecting rod is matched with the lock tongue for The lock tongue is controlled to rotate on the support.
  • the other end of the connecting rod forms a contact
  • a sliding slot matched with the contact is provided on the locking tongue, and the contact can move in the sliding slot to rotate the locking tongue.
  • the unlocking member includes an actuating member and a follower
  • the actuating member is located outside the base, one end of the follower is connected to the actuating member, and the other end of the follower passes through the base and is connected to the lock body.
  • the seat body is integrally formed with the body of the lifting equipment.
  • a connection seat is provided on the outer surface of the seat body, and the seat body is fixedly connected with the vehicle body of the lifting device through the connection seat.
  • an intermediate sleeve is arranged between the sliding cavity and the lock body.
  • a second aspect of the present application provides a lifting device, including the locking device described in any one of the above.
  • the locking part can be separated from the lock body by pressing the locking part, and the lock body can be pulled out from the sliding chamber and snapped into the guide rail instantaneously to realize the mechanical limit.
  • the locking device of the present application can realize mechanical limit in various situations such as uplink or downlink, and has a wide application range.
  • the lifting equipment provided by the present application has all the advantages mentioned above because it includes the locking device described in any one of the above.
  • Fig. 1 is an exploded schematic view of the locking device provided by the present application
  • Fig. 2 is a sectional view of the locking device provided by the present application.
  • Fig. 3 is a schematic diagram of installation of the locking device provided by the present application.
  • Fig. 4 is a schematic diagram of the use state of the locking device provided by the present application.
  • Fig. 5 is a schematic diagram of the unlocked state of the locking device provided by the present application.
  • Fig. 6 is a schematic diagram of the locking state of the locking device provided by the present application.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. "First”, “second”, “third” and “fourth” do not represent any sequence relationship, but are only distinguished for convenience of description. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations. "Current” at the moment when an action is performed, multiple currents appear in the text, all of which are recorded in real time as time goes by.
  • This application provides a locking device, which includes a body 1, a locking part 2 and an unlocking part 3.
  • the body 1 is located on the lifting device, and the locking part 2 and the unlocking part 3 are respectively installed on the body. 1 on.
  • the body 1 includes a seat body 11, a lock body 12 and an elastic element 13, a sliding cavity 111 is provided in the seat body 11, the lock body 12 is arranged in the sliding cavity 111 through the elastic element 13, and the lock body 12 can Move in the sliding chamber 111.
  • the locking member 2 when the elastic element 13 is in a compressed state, the locking member 2 is in contact with the lock body 12 to limit the lock body 12 from protruding from the sliding cavity 111; when the elastic element 13 is in a reset state, the locking member 2 and the lock The body 12 is separated, and the lock body 12 protrudes from the sliding cavity 111 and is snapped into the guide rail; achieve locking.
  • the base body 11 is a cup-shaped structure, one end of which is provided with an opening, and the lock body 12 and the elastic element 13 extend into the sliding cavity 111 from the opening, and the lock body 12 can be moved from The opening protrudes and is inserted into the guide rail; and a first lock groove 112 is opened on the side wall of the seat body 11 , and the locking member 2 is partly disposed in the first lock groove 112 .
  • the seat body 11 is integrally formed with the body of the lifting device, and can be formed by crushing; or a connecting seat (not labeled in the figure) is provided on the outer surface of the seat body 11, and the connecting seat can be a flange. It is welded or integrally formed with the seat body 11, and the connection seat is fixedly connected with the lifting equipment body by screws or bolts.
  • the structure of the base body 11 and the lock body 12 are corresponding, and may be a cylinder, a cuboid, or various shapes or special shapes.
  • the lock body 12 can be a stepped shaft, which includes an unlocking portion 121 and a snap-in portion 122, the snap-in portion 122 is used to snap into the guide rail, and the snap-in portion 122 A second lock slot 1211 is formed on the top.
  • the shape of the end of the lock body 12 (that is, the engaging portion 122) can be determined according to the shape of the locking hole 41 provided on the guide rail, and can be any form or structure of any shape, and the length of the lock body 12 and the locking device The overall length can be adjusted accordingly according to the usage.
  • the position of the second lock groove 1211 is aligned with the position of the first lock groove 112, that is to say, the position of the lock member 2 from the first
  • the lock groove 112 can penetrate into the second lock groove 1211, and make the locking piece 2 contact with the second lock groove 1211, that is, the locking piece 2 snaps into the second lock groove 1211, so as to limit the lock body 12 from sliding
  • the cavity 111 protrudes, so that the lock body 12 is kept separated from the locking hole 41 of the guide rail, as shown in FIG. 6 .
  • the elastic element 13 When the elastic element 13 is in the reset state, the position of the second lock groove 1211 is staggered from the position of the first lock groove 112 (equivalent to the locking device being in the locked state), and the lock body 12 protrudes from the sliding cavity 111, so that The outer end of the engaging portion 122 is inserted into the locking hole 41 of the guide rail, as shown in FIG. 7 .
  • the elastic element 13 in the present application may be a spring, and the wire diameter, number of coils and length of the spring are all correspondingly increased or decreased or deformed according to the structural size of the locking device.
  • an intermediate sleeve 14 is provided between the sliding cavity 111 and the lock body 12, which can effectively prevent friction between the lock body 12 and the sliding cavity 111, and facilitate replacement and maintenance.
  • a notch corresponding to the position of the first locking groove 112 is provided on the side wall of the middle sleeve 14 , so that the locking member 2 can extend from the first locking groove 112 into the second locking groove 1211 .
  • no intermediate sleeve may be provided between the sliding cavity 111 and the lock body 12 , and the lock body 12 directly slides in the sliding cavity 111 by properly setting the friction coefficient between the lock body 12 and the sliding cavity 111 .
  • the locking member 2 can directly extend from the first locking slot 112 into the second locking slot 1211 .
  • the locking piece 2 is used to lock the lifting equipment on the guide rail by pressing; it can be understood that, by pressing the locking piece 2 in this application, the locking piece 2 and the lock body 12 is separated, and now the elastic element 13 is in the reset state, and the lock body 12 protrudes from the sliding cavity 111 and snaps into the guide rail instantaneously to realize the mechanical limit, that is, to lock the lifting device on the guide rail.
  • the locking member 2 includes a pressing member 21 , a connecting rod 24 , a lock tongue 22 and a support 23 .
  • the dead bolt 22 is movably connected on the support 23, and the pressing member 21 can be movably connected with one end of the connecting rod 24 through a pin shaft, and the other end of the connecting rod 24 forms a contact.
  • 22 is provided with a chute 221 (as shown in FIG. 2 ) matched with the contact, and the contact moves in the chute 221 to make the dead bolt 22 rotate.
  • the pressing piece 21 controls the connecting rod 24 to pry the lock tongue 22, and realizes driving the lock tongue 22 to rotate, so that the lock tongue 22 is separated from the lock body 12, and the lock body 12 is in the elastic element 13.
  • the structure of the pressing member 21 is not limited, as long as it can realize the function of driving the lock tongue 22 to rotate after pressing the connecting rod, such as the button structure adopted in the embodiment of the present application.
  • the cross-sectional shape of the support 23 is "T" shape, including a first connection part 231 and a second connection part 232, wherein a first connection hole 2311 is opened on the first connection part 231, and the support 23 Installed on the base body 11 through the first connection hole 2311, it is equivalent to the first connection part 231 resting on the first lock slot 112, which can prevent dust from entering the lock slot and affecting the use of the lock slot.
  • the second connection part 232 is provided with a second connection hole 2321 and a third connection hole 2322
  • the connecting rod 24 is installed on the support 23 through the second connection hole 2321
  • the deadbolt 22 is installed on the support through the third connection hole 2322.
  • Seat 23 is provided.
  • the way that the connecting rod 24 and the dead bolt 22 are fixed on the support 23 can be fixed by a pin shaft, or can be connected with bolts or pins by changing the size of each connecting hole.
  • connecting rod 24 can be replaced by a lever mechanism, and the triggering and locking of the lock body 12 can also be realized through a plurality of connecting rod 24 mechanisms.
  • the unlocking member 3 is used to switch the lifting device from a locked state to an unlocked state by pulling.
  • the unlocking member 3 is fixedly connected to the lock body 12, and by pulling the unlocking member 3, the lock body 12 is moved in the sliding cavity 111 to squeeze the elastic element 13, so that the elastic unit 13 is in a compressed state, and
  • the contact between the locking member 2 and the lock body 12 is realized so as to restrict the lock body 12 from protruding from the sliding cavity 111 and at the same time make the lock body 12 disengage from the locking hole 41 on the guide rail.
  • the unlocking member 3 includes an actuating member 31 and a driven member 32 .
  • one end of the follower 32 penetrates through the pre-set snapping hole 1220 on the snapping portion 122 , and passes through the lock body 12 , the elastic element 13 , the seat in sequence body 11, and after passing through the seat body 11, it is fixedly connected with the touch piece 31.
  • the locking block provided at the other end of the follower 32 is engaged with the locking hole 1220 , so that the other end of the follower 32 is fixedly connected with the lock body 12 .
  • the actuating part 31 may be a pull ring
  • the driven part 32 may be a wire rope, a rod or a shaft.
  • the connecting part 122 needs to be set in the chute of the guide rail 4 when it is in the unlocked state, and the outer end of the engaging part 122, that is, the end extending into the locking hole 41 of the guide rail, is a preset distance away from the locking hole 41 on the guide rail 4 , the preset distance enables the locking portion 122 to be locked into the locking hole 41 in the locked state, so as to realize the mechanical locking limit.
  • the outer end of the engaging portion 122 of the lock body 12 faces the guide rail 4 in the unlocked state. and a certain distance from the chute of the guide rail 4, after pressing down the pressing member 21, the connecting rod 24 drives the lock tongue 22 to rotate on the support 23 at a certain angle, so that the lock body 12 acts on the elastic element 13 Keeping away from the seat body 11 , the snap-in portion 122 of the lock body 12 will snap into the locking hole 41 of the guide rail 4 to realize mechanical locking and positioning. That is, the engaging portion 122 may not be in the slide groove of the guide rail 4 when in the unlocked state, but can also be snapped into the locking hole 41 in the locked state to realize mechanical locking and positioning.
  • the trigger 31 When the locking device needs to start the unlocking function, the trigger 31 is pulled hard, and the trigger 31 drives the lock body 12 to slide in the sliding cavity 111 through the follower 32, squeezes the elastic element 13, and makes the clamping on the lock body 12 The part 122 is drawn out from the locking hole 41 of the guide rail. At the same time, the contact piece 31 drives the lock body 12 to continue to slide in the sliding cavity 111 through the follower 32.
  • the lock tongue 22 contacts with the second lock groove and is stuck in the second When it is in the lock slot, the unlocking action is completed.
  • the present application provides a lifting device, including the locking device described in any one of the above.
  • the locking device provided by this application can not only make up for the failure of the anti-fall device and cannot be locked, that is, it can realize emergency braking when an accident occurs in the lifting equipment;
  • the unique mechanical locking makes the operation safety of the lifting equipment higher, and fills the blank of the upward locking of the lifting equipment, with simple structure and easy operation.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

La présente invention concerne un appareil de verrouillage et un dispositif de levage/abaissement. L'appareil de verrouillage comprend un corps, un élément de verrouillage et un élément de déverrouillage ; le corps est situé sur le dispositif de levage/abaissement, et l'élément de verrouillage ainsi que l'élément de déverrouillage sont respectivement montés sur le corps ; l'appareil de verrouillage verrouille le dispositif de levage/abaissement au moyen de l'élément de verrouillage, et déverrouille le dispositif de levage/abaissement au moyen de l'élément de déverrouillage. Selon la présente invention, le dispositif de levage/abaissement est pratique pour une opération de limitation, est économe en matière de temps et de travail, peut s'adapter à une limitation mécanique dans diverses conditions, et a un fonctionnement stable et fiable.
PCT/CN2021/121693 2021-08-11 2021-09-29 Appareil de verrouillage et dispositif de levage/abaissement WO2023015694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110919795.6 2021-08-11
CN202110919795.6A CN113683029B (zh) 2021-08-11 2021-08-11 锁止装置及升降设备

Publications (1)

Publication Number Publication Date
WO2023015694A1 true WO2023015694A1 (fr) 2023-02-16

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PCT/CN2021/121693 WO2023015694A1 (fr) 2021-08-11 2021-09-29 Appareil de verrouillage et dispositif de levage/abaissement

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CN (1) CN113683029B (fr)
WO (1) WO2023015694A1 (fr)

Citations (7)

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Publication number Priority date Publication date Assignee Title
US6354406B1 (en) * 1999-06-30 2002-03-12 Siemens Aktiengesellschaft Safety arrangement for a cable-supported component of a medical device
CN101435278A (zh) * 2007-11-12 2009-05-20 三荣-天幕铁骨专门株式会社 帐篷用锁止装置
CN202283910U (zh) * 2011-09-14 2012-06-27 三一重工股份有限公司 一种锁止装置及具有该锁止装置的工程机械
CN208869233U (zh) * 2018-09-03 2019-05-17 健芮智能科技（昆山）有限公司 一种具有防坠保护功能的升降机构
CN110697616A (zh) * 2019-11-13 2020-01-17 济南冶金化工设备有限公司 用于初冷器安装施工用的升降装置及初冷器
CN210949450U (zh) * 2019-11-13 2020-07-07 苏州昊天远景金属制品有限公司 一种销轴锁紧结构
CN111646386A (zh) * 2020-07-08 2020-09-11 宁波天弘电力器具有限公司 一种升降装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012100370U1 (de) * 2012-02-03 2013-05-06 Martin Lehmann Gmbh & Co. Kg Wechselzylindersystem
DE202012011527U1 (de) * 2012-11-30 2013-01-29 Burg F.W. Lüling KG Verriegelungsvorrichtung
CN203666433U (zh) * 2013-10-17 2014-06-25 上海玲可多儿童用品有限公司 一种儿童安全座椅挡位解锁装置
CN108163217A (zh) * 2017-12-29 2018-06-15 顺丰科技有限公司 一种电动锁止机构
CN212334511U (zh) * 2020-08-05 2021-01-12 广汽本田汽车有限公司 一种升降台

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354406B1 (en) * 1999-06-30 2002-03-12 Siemens Aktiengesellschaft Safety arrangement for a cable-supported component of a medical device
CN101435278A (zh) * 2007-11-12 2009-05-20 三荣-天幕铁骨专门株式会社 帐篷用锁止装置
CN202283910U (zh) * 2011-09-14 2012-06-27 三一重工股份有限公司 一种锁止装置及具有该锁止装置的工程机械
CN208869233U (zh) * 2018-09-03 2019-05-17 健芮智能科技（昆山）有限公司 一种具有防坠保护功能的升降机构
CN110697616A (zh) * 2019-11-13 2020-01-17 济南冶金化工设备有限公司 用于初冷器安装施工用的升降装置及初冷器
CN210949450U (zh) * 2019-11-13 2020-07-07 苏州昊天远景金属制品有限公司 一种销轴锁紧结构
CN111646386A (zh) * 2020-07-08 2020-09-11 宁波天弘电力器具有限公司 一种升降装置

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